Re: Determining item number matching "x" in a list
Re: Determining item number matching "x" in a list
- Subject: Re: Determining item number matching "x" in a list
- From: Emmanuel <email@hidden>
- Date: Wed, 12 Mar 2003 00:31:57 +0100
At 3:10 PM -0500 11/03/03, Steve Cunningham wrote:
I wonder if there is some trivial way to do this without writing a repeat
loop that cycles through every value of the list looking for a match:
I have a list, theList = {"a","b","c","etc"} and I want to know the item
number of the item that matches a variable x. I need something like
"get the item number of x in theList"
which returns a if x = "a", 2 if x = "b" etc.
Did I miss a page in the manual :-)
You did not, like Paul confirmed.
The loop method may be slow if your script has to perform that task
often. For a faster (yet, less direct) method, convert the list into
a string, use the Regular Expressions to locate the variable, and
then again to evaluate the index of the match.
Emmanuel
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